\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*}\frac {d^2w}{dz^2} + 
\left[\frac{\gamma}{z}+ \frac{\delta}{z-1} + \frac{\epsilon}{z-d} \right] 
\frac {dw}{dz} 
- \frac {\alpha \beta z -q} {z(z-1)(z-d)} w = 0.\end{equation*}
\end{document}
